Market Center Post Office 4 years ago ID: #392469 Listed In : Government Offices 130 N Greene St, Baltimore, MD 21201 410-347-4202 https://postofficeshours.com/md/baltimore/market-center/ Business Description Baltimore Post Office in Baltimore City County, MD 21201. USPS Post office locations hours and phone numbers. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : baltimore md post office baltimore post office post office hours baltimore md post office hours Baltimore usps near baltimore md market center post office